138332360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{84349}}^1$

素因数の和:84401

約数の個数: 32

約数和(自身を含む): 318843000

約数和(自身を除く): 180510640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 84349, 168698, 337396, 421745, 674792, 843490, 1686980, 3373960, 3458309, 6916618, 13833236, 17291545, 27666472, 34583090, 69166180, 138332360]

約数ペア:

[(1, 138332360), (2, 69166180), (4, 34583090), (5, 27666472), (8, 17291545), (10, 13833236), (20, 6916618), (40, 3458309), (41, 3373960), (82, 1686980), (164, 843490), (205, 674792), (328, 421745), (410, 337396), (820, 168698), (1640, 84349)]